SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.

Lowdown - Lowdown unleashes the valuable content locked within Slack and emails it to your members so they don't miss key information.

Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.

Scrumbot - A summary of all team data in Slack before your daily scrum

SEOquake - SEOquake provides a browser extension to conduct on-page SEO audit.

Marketplace Hacks - A slack community of marketplace founders & operators